update usings

MediaBrowser.Dlna/Main/DlnaEntryPoint.cs

@@ -17,6 +17,7 @@ using System.Linq;
 using System.Net;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Globalization;
 using Rssdp;
 using Rssdp.Infrastructure;

MediaBrowser.Dlna/PlayTo/PlayToManager.cs

@@ -14,6 +14,7 @@ using System.Net;
 using System.Net.Sockets;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Globalization;
 

MediaBrowser.Dlna/Ssdp/DeviceDiscovery.cs

@@ -11,6 +11,7 @@ using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Net;
+using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Events;
 using Rssdp;